Home / 15,627.27-21,564.79-8,552.32

Finding the Fourth Proportional to 15,627.27, 21,564.79 and 8,552.32

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Solution

The fourth proportional to 15,627.27, 21,564.79 and 8,552.32 is: 11,801.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,627.27 : 21,564.79 = 8,552.32 : x
  2. Step 2: Convert to fraction form
    15,627.27/21,564.79 = 8,552.32/x
  3. Step 3: Cross multiply
    15,627.27x = 21,564.79 × 8,552.32
  4. Step 4: Simplify right side
    15,627.27x = 184,428,984.81
  5. Step 5: Solve for x
    x = 184,428,984.81/15,627.27
  6. Step 6: Final answer
    x = 11,801.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.